WO2006051684A1 - シート切断方法及びマウント方法 - Google Patents
シート切断方法及びマウント方法 Download PDFInfo
- Publication number
- WO2006051684A1 WO2006051684A1 PCT/JP2005/019534 JP2005019534W WO2006051684A1 WO 2006051684 A1 WO2006051684 A1 WO 2006051684A1 JP 2005019534 W JP2005019534 W JP 2005019534W WO 2006051684 A1 WO2006051684 A1 WO 2006051684A1
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- WIPO (PCT)
- Prior art keywords
- sheet
- wafer
- cutting
- semiconductor wafer
- plate
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67132—Apparatus for placing on an insulating substrate, e.g. tape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
Definitions
- the present invention relates to a sheet cutting method and a mounting method, and in particular, after attaching a heat-sensitive adhesive sheet to a plate member such as a semiconductor wafer, the outer periphery of the sheet is cut along the outer periphery of the plate member. And a method of mounting a semiconductor wafer with a sheet attached to a ring frame.
- a semiconductor wafer (hereinafter simply referred to as “wafer”) on which a circuit surface is formed is divided into chips, and then each chip is picked up and bonded (die bonding) to a lead frame. It has been broken.
- This die bonding can be performed by attaching a heat-sensitive adhesive sheet for die bonding in the wafer processing step.
- Patent Document 1 a heat-sensitive adhesive sheet for die bonding is supplied to the upper surface side of a wafer, the sheet is bonded to the wafer, and the sheet is cut with a cutter along the outer peripheral edge of the wafer. A method is disclosed.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-257898
- a mount table for performing the mounting includes a central raised portion having substantially the same shape as the wafer that supports the wafer, and an outer raised portion that is provided so as to surround the central raised portion and supports the ring frame. It is configured. That is, the mount table includes a concave space between the central bulge portion and the outer bulge portion, so that the dicing tape is prevented from adhering to the mount table.
- Another object of the present invention is to mount a protruding sheet portion on a dicing tape when the sheet is mounted on a ring frame with the sheet protruding from the outer periphery of the wafer. It is to provide a method.
- the present invention provides a sheet having a planar shape larger than the planar shape of the plate-like member, and then sticking the sheet along the outer peripheral edge of the plate-like member. How to cut
- the cutting is performed in a state where the sheet protrudes from the outer peripheral edge of the plate-shaped member by a predetermined amount.
- the outer edge of the cut sheet is provided so as to be located outside the outer edge of the plate-like member in a range of 0.1 mm to Lmm. I like it! /. If the thickness is less than 1 mm, the cutter may touch the outer edge of the plate-shaped member due to a positional error between the plate-shaped member and the cutter. If the thickness exceeds 1 mm, the subsequent processing of the plate-shaped member may be hindered. It is for bringing about.
- the plate-like member applied to the sheet sticking method can target a semiconductor wafer.
- the plate-shaped member may be a back-ground semiconductor wafer.
- a heat-sensitive adhesive sheet is used as the sheet in the sheet sticking method.
- the sheet cutting method according to the present invention includes a step of supporting a substantially circular semiconductor wafer, which has been ultrathinned through a knock grinding process, on a sticking table;
- the present invention provides a state in which a predetermined amount of protrusion is obtained from the outer peripheral edge of the semiconductor wafer after a heat-sensitive adhesive sheet having a larger plane area than that of the semiconductor wafer is attached to the semiconductor wafer. Cutting the outer periphery of the sheet,
- a central ridge portion that supports the wafer and that is provided in a size that substantially corresponds to the size of the sheet; and a mount table that includes an outer ridge portion provided around the central ridge portion and supporting the ring frame.
- the dicing tape is used to press and affix the dicing tape to the ring frame and the sheet,
- the cutting is performed in a state where the outer peripheral edge of the sheet is located outside the outer peripheral edge of the plate-like member, the cutter comes into contact with the outer peripheral edge of the plate-like member and The risk of damaging the plate member can be avoided.
- the amount of protrusion of the outer peripheral edge of the sheet from the outer peripheral edge of the plate-shaped member is 0.1 mm to: Lmm, so that the amount of protrusion is sufficient to avoid damage to the plate-shaped member.
- the method of sequentially supplying the strip-shaped sheet to the plate-like member and attaching and cutting the sheet-like member it is possible to eliminate the need to form a sheet previously formed in the size of the plate-like member. it can. Moreover, in the case where the sheet is formed in accordance with the size of the plate-like member, it is possible to avoid the inconvenience that it becomes very difficult to maintain the accuracy when pasting with the protruding amount.
- the central raised portion has a size substantially corresponding to the size of the sheet, when the pressure applied by the pressing roll is applied, the protruding sheet portion escapes. The cost is substantially eliminated, and this allows the sheet portion to be securely attached to the dicing tape. Therefore, when the wafer is separated into pieces by the dicing cutter, it is possible to avoid the disadvantage of damaging the wafer such as cracking.
- FIG. 1 is a schematic plan view showing an overall configuration in which a sheet cutting method and a mounting method according to the present invention are applied to a wafer processing apparatus.
- FIG. 2 is a schematic cross-sectional view for explaining the wafer processing process over time
- FIG. 3 is a front view showing the sticking device.
- ⁇ 4 A schematic perspective view of a sticking device.
- FIG. 5 is a schematic front view showing an initial stage of temporarily attaching a sheet.
- FIG. 6 is a schematic front view when a sheet is temporarily attached and the sheet is cut in the width direction.
- FIG. 7 is a schematic perspective view showing a pasting table.
- FIG. 8 is a side view of FIG.
- FIG. 9 is a schematic front view showing the operation of the cutting means.
- FIG. 10 is a schematic front view showing a state in which a wafer is transferred to an outer periphery cutting table such as a sticking table cover.
- FIG. 11 is a schematic front view showing the next stage of FIG.
- FIG. 12 is a schematic front view showing a state in which the sheet portion remaining on the outer periphery of the wafer transferred to the outer periphery cutting table is cut.
- FIG. 13 is a schematic plan view showing a region where a wafer is transferred by the transfer device.
- FIG. 14 is a schematic front view of the mounting device.
- FIG. 15 is an enlarged front view showing a state where a wafer with a sheet attached is mounted on a mount table and a dicing tape is attached.
- FIG. 16 is a schematic front view showing a transfer state of a work in which a wafer is mounted on a ring frame.
- FIG. 17 is a schematic plan view of FIG.
- FIG. 1 shows a schematic plan view of a wafer processing apparatus to which the sheet cutting method and the mounting method according to the present embodiment are applied, and FIG. 2 is for explaining the wafer processing steps over time.
- the wafer processing apparatus 10 targets the wafer W (plate-like member) with the UV curable protective tape PT (see Fig. 2) attached to the surface forming the circuit surface. After affixing the heat-sensitive adhesive sheet S for die bonding to the wafer, it is configured as a device for processing a series of processes for mounting the wafer W on the ring frame RF via the dicing tape DT.
- the wafer processing apparatus 10 has a cassette 11 for accommodating the wafer W 11 and a robot 12 for sucking and holding the wafer W from which the force has been taken out, and a UV for performing UV irradiation on the protective tape PT.
- Irradiation unit 13 alignment device 14 for positioning wafer W, pasting device 15 for pasting sheet S (see FIG. 2) on the rear surface of the aligned wafer W, and after sheet S is pasted
- the robot 12, the UV irradiation unit 13, the alignment device 14, the tape peeling device 18 and the stocker 19 have the same structure as Japanese Patent Application No. 2004-119567 already filed by the present applicant, Since it is not the gist of the present invention, a detailed description thereof will be omitted, and the following description will be made on the sticking device 15 and the mounting device 17.
- the sticking device 15 is attached to the sticking table 40 that supports the wafer W and the back side (upper face side) of the wafer W adsorbed to the sticking table 40.
- a pasting unit 41 for temporarily attaching the sheet S a cutting means 43 for cutting the sheet S in the width direction for each wafer W; a transfer device 45 for sucking and transferring the wafer W from the pasting table 40;
- the pasting table 40 has a top surface formed as a suction surface, and is capable of temporarily attaching the sheet S to the wafer W by melting the sheet S to a certain extent.
- the temperature is a built-in heater type that is maintained at approximately 110 ° C.
- the pasting table 40 has a position where the wafer W can be received from the previous process via the moving device 52, and a position which passes through the lower region of the pasting unit 41 and reaches the upper side of the outer peripheral cutting table 47. Are provided so as to be able to reciprocate between them, and can be moved up and down via an elevating device 53.
- the moving device 52 passes through the pair of rails 54, 54, a slide plate 55 that is guided by the rails 54 and moves on the rail 54, and a bracket 57 fixed to the slide plate 55 in a screwed state.
- the ball spline shaft 58 and a motor M that rotationally drives the ball spline shaft 58 are configured.
- the motor M is fixed to a frame (not shown), while the other end is rotatably supported by the bearing 60. Accordingly, when the motor M is driven forward and reverse, the sticking table 40 reciprocates in the left-right direction (X direction) in FIG.
- the elevating device 53 includes a vertical movement mechanism 62 disposed in the center of the lower surface of the sticking table 40, a guide block 63 fixed on the slide plate 55, and four guides that can be moved up and down along the guide block 63.
- the vertical movement mechanism 62 advances and retreats in the upward and downward direction, the sticking table 40 moves up and down and can receive the wafer W from the previous process. .
- a cutter receiving groove 40A for cutting the strip-shaped sheet S fed out from the pasting unit 41 in the width direction is formed, and along the moving direction of the pasting table 40
- rack 65 which constitutes the interlocking mechanism, and the A guide bar 67 attached to the outer surface of the rack 65 is provided.
- the sticking unit 41 is provided in an area of a plate-like frame F disposed above the sticking table 40.
- the affixing unit 41 includes a support roll 70 that supports the heat-sensitive adhesive sheet S wound in a roll shape so that the sheet S can be supplied, a drive roll 71 and a pinch roll 72 that apply a feeding force to the sheet S, and a sheet.
- the pressure member 76 that presses the dancer roll 75 and the lead end area of the sheet S from which the release sheet PS is peeled against the upper surface of the sticking table 40 and sandwiches it, and the sheet S on the back side of the wafer W (in FIG. 5)
- a press roll 78 that is sequentially pressed against the upper surface side) and temporarily attached, and a tension roll 79 and a guide roll 80 that are disposed immediately before the press roll 78 in the feeding direction of the sheet S.
- the press roll 78 has a built-in heater.
- the lower surface side of the pressing member 76 has an adsorbing portion so that the end portion of the sheet S is adsorbed and held.
- the drive roll 71 and the take-up roll 73 are rotationally driven by motors Ml and M2 provided on the back side of the frame F, respectively.
- the pressing member 76, the press roll 78, and the tension roll 79 are provided so as to be movable up and down via cylinders 82, 83, and 84, respectively.
- both ends of the press roll 78 are connected to the cylinder 83 via brackets 85, and both ends of the rotation center shaft 86 interact with the rack 65.
- a pair of pinions 88, 88 and a pair of rollers 89, 89 are fixed at positions further outside these pinions 88.
- the pions 88 and 88 are provided so as to be able to mesh with the rack 65, while the rollers 89 and 89 are configured to roll on the guide bar 67 regardless of the rotation of the press roll 78. Yes.
- the cutting means 43 includes an arm portion 90 extending along the moving direction of the sticking table 40, and a lower surface on the distal end side (left end side in Fig. 5) of the arm portion 90. And a cutter unit 92 provided so as to be able to advance and retreat via a single-axis robot 91 provided in FIG.
- the cutter unit 92 is attached to a force cutter up / down cylinder 95 supported by a bracket 94 that moves along the single-axis robot 91 and to the tip of the cutter up / down cylinder 95.
- the cutter 96 is configured.
- the cutter up / down cylinder 95 is attached to the bracket 94 so as to be rotatable in a substantially vertical plane, whereby the cutter 96 is positioned in a state in which the tip end position of the cutter 96 is along the arc locus in the substantially vertical plane.
- the blade angle can be adjusted.
- the single-axis robot 91 can advance and retreat along the extending direction of the arm portion 90, and the sheet S can be set to protrude a predetermined amount from the outer peripheral edge of the wafer W at the time of circular cutting described later.
- the cutting means 43 can be moved by driving the motor M3 on a guide 97 oriented in a direction perpendicular to the moving direction of the sticking table 40 (Y direction in FIG. 1). It is supported by. Accordingly, the sheet S is cut in the width direction when the tip of the cutter 96 is in a posture to enter the cutter receiving groove 40A of the sticking table 40 and the entire cutting means 43 moves along the guide 97.
- the transfer device 45 is provided on a plate-like suction plate 100 that sucks the wafer W on the lower surface side, and on the upper surface side of the suction plate 100.
- the cooling unit 101 includes an arm 102 that supports the suction plate 100, and a uniaxial robot 105 that moves the arm 102 in the Y direction.
- the suction plate 100 when adhering the wafer W after the sheet S is cut in the width direction on the pasting table 40 (see FIG. 10), is the first temperature during temporary attachment (110 ° C).
- the wafer W is cooled to room temperature, for example, and the viscosity of the sheet S is reduced or eliminated to prevent the transfer of the adhesive to the cutter 96.
- the transfer device 45 transfers the wafer W from the affixing table 40 to the outer cutting table 47, and bonds the wafer W after the unnecessary sheet portion S1 is cut by the outer cutting table 47.
- the wafer W is transferred to the table 48, and further, the wafer W after the sheet S is completely bonded by the bonding table 48 is transferred to the next process.
- the uniaxial robot 105 is disposed substantially parallel to the guide 97 at an upper position of the guide 97 of the cutting means 43.
- This single-axis robot 105 is provided with a cylinder 106 extending in a direction perpendicular to the vertical direction and a lift slider 108 that can be lifted and lowered via the cylinder 106.
- the lift slider 108 has a base end side of the arm 102 (FIG. 9). The middle right end) is connected!
- the outer periphery cutting table 47 is provided with the sticking table. It is a table for receiving the wafer W from the bull 40 via the transfer device 45 and sucking it to cut the unnecessary sheet portion S1 around the wafer W by the cutting means 43.
- This outer periphery cutting table 47 is maintained at room temperature as the second temperature in the present embodiment, and has an upper surface formed as an adsorption surface and a circumferential groove 47A corresponding to the outer peripheral edge of WENO and W. It is configured with.
- the outer periphery cutting table 47 is supported on the lift plate 111 via the rotation mechanism 110 on the lower surface side.
- the rotating mechanism 110 includes a rotating shaft 112 whose axial direction is vertical, a rotating bearing 103 that supports the rotating shaft 112, a driven pulley 114 fixed to the rotating shaft 112, and a side of the driven pulley 114. And a main driving pulley 115 fixed to the output shaft of the motor M4, and a belt 117 wound around these pulleys 114 and 115.
- a cutting table 47 is provided to be rotatable in a plane. Therefore, when the cutter 96 enters the circumferential groove 47A and the outer circumferential cutting table 47 rotates, the circumferential cutting of the sheet S is achieved. At this time, the cutter 96 can be achieved by controlling the uniaxial robot 91 so as to cut the sheet S in a state of being shifted outward with respect to the outer peripheral edge of the wafer W within a range of 0.1 mm to L mm.
- the elevating plate 111 that supports the outer periphery cutting table 47 is provided so as to be elevable via an elevating device 120.
- the lifting device 120 includes a block 123 attached to the back side of a substantially L-shaped support 122 that supports the lifting plate 111, and is connected to both sides of the support 122.
- the pulleys 127 and 128 fixed to the output shaft of the motor M5 disposed near the lower end of the guide 125, and the belt 129 wound around these pulleys 127 and 128, are driven by the motor M5. Therefore, the outer periphery cutting table 47 can be moved up and down by rotating the screw shaft 126.
- the bonding table 48 is arranged on an upper side portion of the outer periphery cutting table 47 through a frame (not shown).
- the bonding table 48 has an upper surface configured as a suction surface, and the wafer W is transferred from the outer peripheral cutting table 47 via the transfer device 45, and the wafer W to which the sheet S is temporarily attached is heated. The sheet S to the wafer W completely. It comes to adhere.
- the bonding table 48 is controlled to about 180 ° C. as the third temperature.
- the collection device 50 is a device that adsorbs and collects the unnecessary sheet portion S1 around the wafer W on the cutting table 47.
- the recovery device 50 includes a cross arm 130 having a substantially X shape in plan view and a lower surface side of each tip having an adsorption function, a connection arm 131 that supports a substantially central position of the cross arm 130, and a base of the connection arm 131.
- a cylinder 132 that supports the end side and is disposed in a direction substantially orthogonal to the guide 97 of the cutting means 43 in a plane, a slider 133 that can move along the cylinder 132, and an unnecessary sheet portion
- a collection box 135 for collecting S1.
- the cross arm 130 is provided so as to be able to reciprocate between the upper position of the outer peripheral cutting table 47 and the upper position of the collection box 135, and the suction to the unnecessary sheet portion S1 on the collection box 135 is released. Thus, the unnecessary sheet portion S1 can be dropped into the collection box 135.
- the mounting device 17 is directed toward a mounting table 137 that adsorbs the ring frame RF and wafer W, and a tape attaching unit 138 that attaches the dicing tape DT.
- a pair of rails 139 for moving the mount table 137 are included.
- the dicing tape DT is used as a raw material in which a dicing tape piece slightly smaller than the outer diameter of the ring frame RF is temporarily attached to one surface of the strip-like release tape ST. .
- the mount table 137 includes a table main body 137A and a substantially circular central raised portion 137B that supports the wafer W to which the sheet S is attached on the upper surface of the table main body 137A.
- a ring-shaped protruding portion 137C is provided as an outer protruding portion that is provided so as to surround the central protruding portion 137B and supports the ring frame RF.
- the central raised portion 137B is provided with a diameter slightly larger than the diameter of the wafer W, that is, a size substantially corresponding to the size of the sheet S attached to the wafer W.
- the mount table 137 is lifted in substantially the same manner as the pasting table 40 described above. It is provided so as to be able to descend, and is provided so as to be movable along the rail 139.
- the tape applying unit 138 includes a support roll 140 that is provided in the plane of the plate-like support frame F1 and supports the dicing tape DT wound in a roll shape so that the dicing tape DT can be fed out.
- Peel plate 142 that peels off the dicing tape DT by abruptly turning back the released peeling tape ST, a take-up roll 143 that winds up the peeling tape ST folded by the peel plate 142, and a ring of the dicing tape DT
- a pressing roll 144 for pressing and pasting the frame RF and the upper surface of the sheet S. Therefore, as shown in FIG.
- the mount table 137 is moved to the tape applying unit 138 side, the upper surface position of the mount table 137 is raised, and the mount table 137 is moved in the direction indicated by the solid line position on the left side of the figure.
- the dicing tape DT is affixed to the upper surface of the ring frame RF and the sheet S, whereby the wafer W can be mounted on the ring frame RF.
- the ring frame RF is accommodated in the frame stocks force 145 and transferred onto the mount table 137 via the transfer arm 147.
- the workpiece K mounted on the ring frame RF on the mounting table 137 is sucked and held by the transfer arm 147, and the workpiece K is transferred to the transfer arm 149 with the front and back surfaces of the workpiece K reversed.
- the workpiece K held on the transfer arm 149 is transferred to the next step, that is, the peeling device 18 side of the protective sheet PS.
- the wafer W with the protective tape PT affixed to the circuit surface is transferred to the UV irradiation unit 13 and subjected to a predetermined UV treatment, then aligned and transferred to the affixing table 40.
- the pasting table 40 is controlled to maintain approximately 110 ° C as the first temperature at which the sheet S can be temporarily attached. Further, the wafer W is adsorbed in a state where the protective tape PT is in contact with the table surface, and therefore, the back surface of the wafer W is in a state of being the upper surface side.
- the sticking table 40 is an abbreviation for the outer peripheral cutting table 47. It will reach the position directly above. Then, the pressing member 76 is lowered to bring the sheet S into contact with the sticking table 40 (see FIG. 6). Thereafter, the cutter 96 enters the cutter receiving groove 40A, and the arm portion 90 supporting the cutter unit 92 moves in the direction perpendicular to the paper surface in FIG. 6 to cut the sheet S in the width direction.
- the pressing member 76 sucks the sheet S located on the lower surface side of the pressing member 76 and returns to the raised position to prepare for the next bonding to the wafer W. Further, the cutting means 43 is displaced to a position where the cutting edge position of the cutter 96 is raised by the rising of the cutter vertical cylinder 95, and away from the upper surface position of the adhesive tape 40, that is, upward in FIG. It will be evacuated.
- the suction plate 100 of the transfer device 45 moves so as to be positioned above the pasting table 40 by the operation of the multi-axis robot 105 and the lowering of the cylinder 106, and the cylinder 107
- the surface position of the suction plate 100 is lowered to suck and hold the wafer W to which the sheet S is stuck.
- the affixing table 40 moves to a position where the wafer W to be processed next is sucked and held, and at the same time, the outer peripheral cutting table 47 is raised and placed on the upper surface of the cutting table 47 on the suction plate 100.
- Ueno, W, which is adsorbed, is transferred.
- the wafer W that has reached the temporary attachment temperature on the affixing table 40 is While being adsorbed by the adsorption plate 100, it is cooled and kept in a state of being lowered to substantially normal temperature.
- the transfer device 45 moves away from the upper position of the outer periphery cutting table 47.
- the cutting means 43 moves onto the outer periphery cutting table 47 (see FIG. 12). Then, by moving the uniaxial robot 91 by a predetermined amount and lowering the cutter up / down cylinder 95, the cutter 96 penetrates downward at a position where it protrudes within the range of 0.1 mm to: Lmm with respect to the outer periphery of the wafer W. The tip is received in the circumferential groove 47A.
- the sticking table 47 is rotated in the horizontal plane by the rotating mechanism 110 and is cut along the circumferential direction leaving an area protruding from the outer peripheral edge of the wafer W by 0.1 mm to: Lmm.
- the cutting means 43 moves from the upper position of the outer peripheral cutting table 47 to the position where it is retracted again, while the cross arm 130 of the collecting device 50 moves onto the unnecessary sheet portion S1 and Unnecessary sheet part S1 is adsorbed and moved to the collection box 135 to drop the unnecessary sheet part S1.
- the transfer device 45 moves onto the outer periphery cutting table 47 so that the cross arm 130 is moved to the collection box 135 side, and after adsorbing the wafer W again, the wafer W is attached to the bonding table 48. Transfer to the top.
- the wafer W transferred to the bonding table 48 is controlled so that the bonding table 48 is maintained at approximately 180 ° C, which is the third temperature, so that the sheet S is It will be completely bonded to W. Then, after a predetermined time has passed, the wafer W is sucked by the suction plate 100 of the transfer device 45 and cooled again to normal temperature.
- the wafer W that has fallen in temperature while being attracted to the transfer device 45 is transferred to the mount table 137 that absorbs the ring frame RF, and then the ring frame RF via the dicing tape DT. To be mounted.
- the central raised portion 137B of the mount table 137 is provided with a diameter slightly larger than the diameter of the wafer W, when the pressing roll 144 moves relative to the dicing tape DT while rotating, the wafer W Adhesion pressure is also applied to the sheet part protruding from the outer periphery of the sheet to the outside in the range of 0.1 mm to lmm. Power can be applied reliably, and the protruding sheet part will not be separated from the dicing tape DT force.
- the workpiece K which has Ueno and W mounted on the ring frame RF, is transferred to the tape peeling device 18 side upside down, and then the protective tape PT that has been UV-cured in the initial stage is transferred to the tape peeling device 18 side.
- the wafer circuit surface force is also peeled off by the loop peeling device 18 and accommodated in the stocker 19.
- the sheet S is cut in a state of protruding a predetermined amount from the outer peripheral edge of the wafer W, even if the wafer W is knocked and extremely thin, The effect is that the outer periphery of the wafer W is not damaged when cutting with the force tutter 96.
- the central raised portion 137B force that forms the supporting surface of the wafer W is larger than the diameter of the wafer W, that is, the wafer W Since the sheet S is provided with a size that substantially corresponds to the size of the sheet S applied to the sheet, when the pressure applied by the pressing roll 144 is applied, the protruding margin of the protruding sheet portion is substantially eliminated.
- the part can be securely attached to the dicing tape DT.
- the dicing cutter at the time of dividing the wafer W into one piece can be prevented from being entangled with the protruding sheet portion, and it is possible to avoid the inconvenience that the wafer and W are cracked in the dicing process. Become.
- the present invention is not limited to this and other plate-like members are used. Also good.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004327409A JP2006140251A (ja) | 2004-11-11 | 2004-11-11 | シート切断方法及びマウント方法 |
JP2004-327409 | 2004-11-11 |
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WO2006051684A1 true WO2006051684A1 (ja) | 2006-05-18 |
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PCT/JP2005/019534 WO2006051684A1 (ja) | 2004-11-11 | 2005-10-25 | シート切断方法及びマウント方法 |
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TW (1) | TW200621460A (ja) |
WO (1) | WO2006051684A1 (ja) |
Cited By (3)
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JP2012143724A (ja) * | 2011-01-13 | 2012-08-02 | Disco Corp | 樹脂塗布装置 |
JP2016009786A (ja) * | 2014-06-25 | 2016-01-18 | 株式会社ディスコ | テープ貼着装置 |
JP2018127324A (ja) * | 2017-02-08 | 2018-08-16 | 日東電工株式会社 | テープ回収方法およびテープ回収装置 |
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KR100874953B1 (ko) | 2006-09-20 | 2008-12-19 | 삼성전자주식회사 | 반도체 웨이퍼 고정 장치 |
JP4927582B2 (ja) * | 2007-02-07 | 2012-05-09 | 株式会社ディスコ | ウエーハの裏面に装着された接着フィルムの破断方法 |
JP5006176B2 (ja) * | 2007-12-11 | 2012-08-22 | リンテック株式会社 | シート切断方法 |
JP5296604B2 (ja) * | 2009-05-29 | 2013-09-25 | リンテック株式会社 | シート貼付装置及び貼付方法 |
JP4895240B2 (ja) * | 2010-06-24 | 2012-03-14 | Necエンジニアリング株式会社 | フィルム貼付装置及び貼付方法 |
JP6099799B1 (ja) * | 2016-07-26 | 2017-03-22 | 株式会社 エイブル | 切断システム及び切断方法 |
JP2020203326A (ja) * | 2019-06-14 | 2020-12-24 | リンテック株式会社 | 切断装置および切断方法 |
KR102330850B1 (ko) * | 2020-07-21 | 2021-12-01 | 창원대학교 산학협력단 | 복합 적층판 전용 절단기 |
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JP2000173961A (ja) * | 1998-12-01 | 2000-06-23 | Sharp Corp | 半導体装置の製造方法および製造装置 |
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2004
- 2004-11-11 JP JP2004327409A patent/JP2006140251A/ja active Pending
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2005
- 2005-10-25 WO PCT/JP2005/019534 patent/WO2006051684A1/ja active Application Filing
- 2005-11-01 TW TW094138279A patent/TW200621460A/zh unknown
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JPS6362328A (ja) * | 1986-09-03 | 1988-03-18 | Matsushita Electronics Corp | 半導体基板の裏面処理方法 |
JP2000173961A (ja) * | 1998-12-01 | 2000-06-23 | Sharp Corp | 半導体装置の製造方法および製造装置 |
JP2004079768A (ja) * | 2002-08-19 | 2004-03-11 | Lintec Corp | 貼付装置 |
Cited By (3)
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JP2012143724A (ja) * | 2011-01-13 | 2012-08-02 | Disco Corp | 樹脂塗布装置 |
JP2016009786A (ja) * | 2014-06-25 | 2016-01-18 | 株式会社ディスコ | テープ貼着装置 |
JP2018127324A (ja) * | 2017-02-08 | 2018-08-16 | 日東電工株式会社 | テープ回収方法およびテープ回収装置 |
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JP2006140251A (ja) | 2006-06-01 |
TW200621460A (en) | 2006-07-01 |
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